Home / 187,970.04-259,399.94-103,087.71

Finding the Fourth Proportional to 187,970.04, 259,399.94 and 103,087.71

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Solution

The fourth proportional to 187,970.04, 259,399.94 and 103,087.71 is: 142,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,970.04 : 259,399.94 = 103,087.71 : x
  2. Step 2: Convert to fraction form
    187,970.04/259,399.94 = 103,087.71/x
  3. Step 3: Cross multiply
    187,970.04x = 259,399.94 × 103,087.71
  4. Step 4: Simplify right side
    187,970.04x = 26,740,945,273.30
  5. Step 5: Solve for x
    x = 26,740,945,273.30/187,970.04
  6. Step 6: Final answer
    x = 142,261.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.